http://www.angelfire.com/on3/esl/activities/rdgpart1/rdgpt1q1.htm
http://www.englisch-hilfen.de/en/exercises/countries/signs_great_britain.htm
Now , let's practice questions tags. In this part remember to do the 7 exercises clicking on "Full screen".
http://www.englishexercises.org/buscador/buscar.asp?nivel=any&age=0&tipo=any&contents=tag+questions